Threat database

CVE-2026-91615 is a vulnerability in the Java VM component of Oracle Database Server affecting versions 19.3 through 19.32, 21.3 through 21.23, and 23.4.0 through 23.26.3. It allows a low privileged attacker with no privileges and network access via SOCKS5 to compromise the Java VM. Successful exploitation can lead to unauthorized creation, deletion, or modification of critical data accessible by the Java VM. The vulnerability has a CVSS 3.1 base score of 6.3, indicating a medium severity with integrity impact. Oracle has released patches addressing this vulnerability as part of their October 2026 Critical Patch Update.

CVE-2026-91568 is a vulnerability in the Oracle Database Server RDBMS component affecting versions 23.4.0 through 23.26.3. It allows a low privileged attacker with Create Session privilege and network access via Oracle Net to compromise the database. Successful exploitation can lead to unauthorized access to critical or all accessible data in the RDBMS. The vulnerability has a CVSS 3.1 base score of 7.7, indicating high severity with significant confidentiality impact. Oracle has released patches addressing this vulnerability as part of its October 2026 Critical Patch Update.

Vulnerability in the VPD component of Oracle Database Server. Supported versions that are affected are 19.3-19.32, 21.3-21.23 and 23.4.0-23.26.3. Easily exploitable vulnerability allows low privileged attacker having Create Table privilege with network access via Oracle Net to compromise VPD. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all VPD accessible data as well as unauthorized access to critical data or complete access to all VPD accessible data. CVSS 3.1 Base Score 8.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N).

Vulnerability in the RDBMS component of Oracle Database Server. Supported versions that are affected are 23.4.0-23.26.3. Easily exploitable vulnerability allows low privileged attacker having DBMS_VECTOR privilege with network access via Oracle Net to compromise RDBMS. Successful attacks of this vulnerability can result in takeover of RDBMS. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

Vulnerability in the RDBMS component of Oracle Database Server. Supported versions that are affected are 23.4.0-23.26.3. Easily exploitable vulnerability allows unauthenticated attacker with access to the physical communication segment attached to the hardware where the RDBMS executes to compromise RDBMS. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of RDBMS. CVSS 3.1 Base Score 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

CVE-2026-73964 is a vulnerability in the Oracle Database Server RDBMS component affecting versions 19.3 through 19.32 and 21.3 through 21.23. It allows a high privileged attacker with Query Optimizer privilege and network access via Oracle Net to gain unauthorized read access to a subset of RDBMS accessible data. The vulnerability has a low CVSS score of 2.7, indicating limited confidentiality impact without integrity or availability effects. Oracle has released patches addressing this vulnerability as part of their October 2026 Critical Patch Update.

CVE-2026-101512 is a vulnerability in the Oracle Database Server RDBMS component affecting versions 23.4.0 through 23.26.3. It allows a low privileged attacker with network access via HTTP and no privileges to compromise the database. Successful exploitation can lead to unauthorized access to critical or all accessible data within the RDBMS. The vulnerability has a CVSS 3.1 base score of 6.5, indicating a medium severity focused on confidentiality impact.

Vulnerability in the RDBMS component of Oracle Database Server. Supported versions that are affected are 23.4.0-23.26.3. Difficult to exploit vulnerability allows unauthenticated attacker with network access via Oracle Net to compromise RDBMS. Successful attacks of this vulnerability can result in takeover of RDBMS. CVSS 3.1 Base Score 8.1 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H).

Vulnerability in the Oracle Net Services component of Oracle Database Server. Supported versions that are affected are 21.3-21.23 and 23.4.0-23.26.3. Easily exploitable vulnerability allows unauthenticated attacker with network access via Oracle Net to compromise Oracle Net Services. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Net Services. CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

Vulnerability in the RDBMS component of Oracle Database Server. Supported versions that are affected are 19.3-19.32, 21.3-21.23 and 23.4.0-23.26.3. Easily exploitable vulnerability allows low privileged attacker having Create DB Link privilege with network access via Oracle Net to compromise RDBMS. Successful attacks of this vulnerability can result in takeover of RDBMS. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

Vulnerability in the Oracle Net Services component of Oracle Database Server. Supported versions that are affected are 23.4.0-23.26.3. Easily exploitable vulnerability allows unauthenticated attacker with network access via Oracle Net to compromise Oracle Net Services. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Net Services. CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

Vulnerability in the Oracle Text component of Oracle Database Server. Supported versions that are affected are 19.3-19.32, 21.3-21.23 and 23.4.0-23.26.3. Difficult to exploit vulnerability allows low privileged attacker having Create Index privilege with network access via Oracle Net to compromise Oracle Text. While the vulnerability is in Oracle Text, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Oracle Text. CVSS 3.1 Base Score 8.5 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H).

Vulnerability in the RDBMS component of Oracle Database Server. Supported versions that are affected are 19.3-19.32, 21.3-21.23 and 23.4.0-23.26.3. Easily exploitable vulnerability allows low privileged attacker having Execute on DBMS_REDEFINITION privilege with network access via Oracle Net to compromise RDBMS. Successful attacks of this vulnerability can result in takeover of RDBMS. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

Vulnerability in the RDBMS component of Oracle Database Server. Supported versions that are affected are 23.4.0-23.26.3. Easily exploitable vulnerability allows low privileged attacker having Create Table privilege with network access via Oracle Net to compromise RDBMS. Successful attacks of this vulnerability can result in takeover of RDBMS. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

CVE-2026-83088 is a vulnerability in the Oracle Database Server's RDBMS component affecting versions 23.4.0 through 23.26.3. It allows a low privileged attacker with authenticated user access and network connectivity via Oracle Net to cause a denial of service by hanging or crashing the database server. The vulnerability impacts availability but does not affect confidentiality or integrity. Oracle has included this fix in its September 2026 Critical Security Patch Update.

Vulnerability in the RDBMS component of Oracle Database Server. Supported versions that are affected are 19.3-19.32, 21.3-21.23 and 23.4.0-23.26.3. Easily exploitable vulnerability allows unauthenticated attacker with network access via Oracle Net to compromise RDBMS. Successful attacks of this vulnerability can result in unauthorized read access to a subset of RDBMS accessible data. CVSS 3.1 Base Score 5.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).

CVE-2026-71062 is a vulnerability in the Oracle Database Server's RDBMS component affecting versions from 23.4.0 through 23.26.3. It allows a low privileged attacker with authenticated user access and network connectivity via Oracle Net to potentially compromise the RDBMS. Successful exploitation can lead to full takeover of the database server, impacting confidentiality, integrity, and availability. The vulnerability is rated high severity with a CVSS 3.1 base score of 8.5. Oracle has released a Critical Security Patch Update addressing this and many other vulnerabilities, strongly recommending patch application.

Vulnerability in the RDBMS component of Oracle Database Server. Supported versions that are affected are 19.3-19.31 and 23.4.0-23.26.2. Easily exploitable vulnerability allows low privileged attacker having Execute DBMS_CLOUD privilege with network access via Oracle Net to compromise RDBMS. While the vulnerability is in RDBMS, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of RDBMS. CVSS 3.1 Base Score 9.9 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H).

CVE-2026-47046 is a high-severity vulnerability in the Oracle Database Server RDBMS component affecting versions 23.4.0 through 23.26.2. It allows an unauthenticated attacker with network access via Oracle Net to cause a denial of service by hanging or crashing the database server, and to perform unauthorized update, insert, or delete operations on some accessible data. The vulnerability has a CVSS 3.1 base score of 8.2, indicating significant integrity and availability impacts. Oracle has published a Critical Patch Update advisory that includes multiple security patches but does not explicitly confirm a patch for this specific vulnerability at this time. Customers are strongly advised to monitor Oracle's advisories and apply patches promptly when available.

Vulnerability in the RDBMS component of Oracle Database Server. Supported versions that are affected are 19.3-19.31, 21.3-21.22 and 23.4.0-23.26.2. Easily exploitable vulnerability allows high privileged attacker having None privilege with network access via Oracle Net to compromise RDBMS. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of RDBMS accessible data. CVSS 3.1 Base Score 2.7 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N).